/* roulang page: index */
:root {
            --primary: #0f0f1a;
            --primary-light: #1a1a2e;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --brand: #7c3aed;
            --surface: #f8fafc;
            --muted: #64748b;
            --card-bg: #ffffff;
            --dark-card: #1e1e32;
            --radius: 1rem;
            --radius-lg: 1.5rem;
            --shadow-soft: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-card: 0 8px 32px rgba(0,0,0,0.08);
            --shadow-glow: 0 0 40px rgba(245,158,11,0.15);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            color: #1f2937;
            background: #ffffff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.125rem;
            color: var(--muted);
            max-width: 640px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.75rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            border-radius: 9999px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.45);
        }
        .btn-primary:focus-visible {
            outline: 2px solid #f59e0b;
            outline-offset: 4px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 9999px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid rgba(255, 255, 255, 0.6);
            outline-offset: 4px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            background: transparent;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9375rem;
            border: 2px solid var(--accent);
            border-radius: 9999px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.25rem 0.875rem;
            font-size: 0.8125rem;
            font-weight: 500;
            border-radius: 9999px;
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
        }
        .badge-white {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }
        .badge-purple {
            background: rgba(124, 58, 237, 0.12);
            color: #6d28d9;
        }
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-soft);
            transition: all 0.35s ease;
            border: 1px solid rgba(0, 0, 0, 0.04);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .card-dark {
            background: var(--dark-card);
            border-color: rgba(255, 255, 255, 0.06);
        }
        .card-dark:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }
        .glass {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            transition: all 0.35s ease;
        }
        .glass-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.92) 0%, rgba(26, 26, 46, 0.72) 50%, rgba(15, 15, 26, 0.88) 100%);
            z-index: 1;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
            z-index: 1;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }
        @media (max-width: 1024px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (max-width: 640px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
        }
        .faq-item {
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            padding: 1.5rem 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.125rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            color: #1f2937;
            transition: color 0.2s;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-answer {
            margin-top: 0.75rem;
            color: var(--muted);
            line-height: 1.7;
            max-width: 800px;
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            padding: 0.5rem 0;
            transition: color 0.2s ease;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--accent);
        }
        .mobile-nav {
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        }
        .mobile-nav.open {
            transform: translateX(0);
        }
        .cover-img {
            object-fit: cover;
            width: 100%;
            height: 100%;
            transition: transform 0.6s ease;
        }
        .cover-img-wrapper {
            overflow: hidden;
            border-radius: 0.75rem;
        }
        .cover-img-wrapper:hover .cover-img {
            transform: scale(1.08);
        }
        .image-placeholder {
            background: linear-gradient(135deg, #1a1a2e, #2d2d4a);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 200px;
            border-radius: 0.75rem;
            color: rgba(255, 255, 255, 0.3);
            font-size: 3rem;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
            font-size: 0.9375rem;
        }
        .footer-link:hover {
            color: var(--accent-light);
        }
        .skeleton {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: 0.5rem;
        }
        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }
        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.2), transparent);
            margin: 0 auto;
            max-width: 400px;
        }
        .accent-gradient {
            background: linear-gradient(135deg, #f59e0b, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .glow-border {
            position: relative;
        }
        .glow-border::before {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: inherit;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.3), rgba(124, 58, 237, 0.3));
            z-index: -1;
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .glow-border:hover::before {
            opacity: 1;
        }
        @media (max-width: 768px) {
            .mobile-hidden {
                display: none !important;
            }
            .mobile-visible {
                display: block !important;
            }
        }
        @media (min-width: 769px) {
            .mobile-visible {
                display: none !important;
            }
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.375rem 1.125rem;
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 9999px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.875rem;
            font-weight: 500;
        }
        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.25rem 0.75rem;
            font-size: 0.8125rem;
            font-weight: 500;
            border-radius: 9999px;
            background: rgba(124, 58, 237, 0.10);
            color: #6d28d9;
            transition: all 0.2s ease;
        }
        .category-tag:hover {
            background: rgba(124, 58, 237, 0.18);
        }
        .game-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-soft);
            transition: all 0.35s ease;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .game-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
        }
        .game-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #f0f0f0;
        }
        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .game-card:hover .card-img img {
            transform: scale(1.08);
        }
        .game-card .card-body {
            padding: 1.25rem;
        }
        .play-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .game-card:hover .play-overlay {
            opacity: 1;
        }
        .play-btn-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.25rem;
            box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
            animation: pulse-ring 2s infinite;
        }
        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
            }
            70% {
                box-shadow: 0 0 0 20px rgba(245, 158, 11, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
            }
        }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            transition: all 0.2s ease;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            padding-left: 0.5rem;
        }
        .news-list-item .news-index {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(245, 158, 11, 0.1);
            color: #b45309;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8125rem;
            font-weight: 700;
        }
        @media (max-width: 640px) {
            .news-list-item {
                flex-direction: column;
                gap: 0.5rem;
            }
        }
        .cta-section {
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(124, 58, 237, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
            z-index: 1;
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            margin-top: 2.5rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag {
            display: inline-flex;
            padding: 0.25rem 0.875rem;
            font-size: 0.8125rem;
            font-weight: 500;
            border-radius: 9999px;
            background: rgba(245, 158, 11, 0.08);
            color: #92400e;
            transition: all 0.2s ease;
            border: 1px solid rgba(245, 158, 11, 0.15);
        }
        .tag:hover {
            background: rgba(245, 158, 11, 0.15);
            border-color: rgba(245, 158, 11, 0.3);
        }
        .tag-white {
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.85);
            border-color: rgba(255, 255, 255, 0.12);
        }
        .tag-white:hover {
            background: rgba(255, 255, 255, 0.14);
        }
        .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.875rem;
            background: rgba(245, 158, 11, 0.1);
            color: #b45309;
            flex-shrink: 0;
        }
        .rank-number.top {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-soft);
            transition: all 0.35s ease;
            border: 1px solid rgba(0, 0, 0, 0.04);
            cursor: pointer;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .topic-card .topic-img {
            height: 200px;
            overflow: hidden;
            background: #f0f0f0;
            position: relative;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.08);
        }
        .topic-card .topic-body {
            padding: 1.25rem;
        }
        .topic-card .topic-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem 1.25rem 1rem;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
            color: #fff;
        }
        .empty-state {
            text-align: center;
            padding: 3rem 1.5rem;
            color: var(--muted);
        }
        .empty-state i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            opacity: 0.4;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f0f1a;
            --primary-light: #1a1a2e;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-glow: rgba(245, 158, 11, 0.25);
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.7);
            --text-muted: rgba(255, 255, 255, 0.4);
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Base Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
            transition: var(--transition);
        }
        ul, ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1280px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ===== Navigation ===== */
        .nav-link {
            position: relative;
            padding-bottom: 4px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: #fff !important;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), #ea580c);
            color: #0f0f1a;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.35);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            color: var(--text-secondary);
            font-weight: 500;
            border-radius: var(--radius-sm);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: #fff;
            background: rgba(245, 158, 11, 0.08);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent);
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .badge-sm {
            padding: 2px 10px;
            font-size: 0.65rem;
        }

        /* ===== Card ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(245, 158, 11, 0.15);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        /* ===== Article Content ===== */
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-top: 2.2em;
            margin-bottom: 0.8em;
            color: #fff;
            letter-spacing: -0.3px;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: rgba(255, 255, 255, 0.92);
        }
        .article-body p {
            margin-bottom: 1.2em;
        }
        .article-body a {
            color: var(--accent);
            border-bottom: 1px solid rgba(245, 158, 11, 0.3);
        }
        .article-body a:hover {
            color: #fbbf24;
            border-bottom-color: var(--accent);
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.5em;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.4em;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.4em;
        }
        .article-body blockquote {
            border-left: 3px solid var(--accent);
            padding: 0.8em 1.2em;
            margin: 1.5em 0;
            background: rgba(245, 158, 11, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: rgba(255, 255, 255, 0.8);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-card);
        }
        .article-body code {
            background: rgba(255, 255, 255, 0.08);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent);
        }
        .article-body pre {
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 1.2em;
            overflow-x: auto;
            margin: 1.5em 0;
        }
        .article-body pre code {
            background: none;
            color: inherit;
            padding: 0;
        }

        /* ===== Divider ===== */
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
            border: none;
            margin: 2em 0;
        }

        /* ===== Footer Link ===== */
        .footer-link {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        /* ===== Mobile Nav ===== */
        .mobile-nav {
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 60;
        }
        .mobile-nav.open {
            transform: translateX(0);
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 55;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .mobile-overlay.open {
            opacity: 1;
            pointer-events: all;
        }
        .z-60 {
            z-index: 60;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-fade-in-up-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-fade-in-up-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-fade-in-up-delay-3 {
            animation-delay: 0.3s;
        }

        /* ===== Glass Effect ===== */
        .glass {
            background: rgba(15, 15, 26, 0.7);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--primary);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        /* ===== Responsive ===== */
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
        }
        @media (min-width: 768px) and (max-width: 1023px) {
            .container {
                padding-left: 28px;
                padding-right: 28px;
            }
        }
        @media (max-width: 520px) {
            .article-body {
                font-size: 0.92rem;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 1.15rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-glow: rgba(245, 158, 11, 0.25);
            --bg-primary: #0f0f1a;
            --bg-secondary: #1a1a2e;
            --bg-card: #1e1e32;
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.7);
            --text-muted: rgba(255, 255, 255, 0.4);
            --border-light: rgba(255, 255, 255, 0.05);
            --border-medium: rgba(255, 255, 255, 0.1);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: transparent;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== 导航补充样式 ===== */
        .nav-link {
            position: relative;
            padding: 0.25rem 0;
            font-weight: 500;
            transition: var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), #f97316);
            border-radius: 1px;
            transition: var(--transition);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--accent) !important;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent), #f97316);
            color: #0f0f1a !important;
            font-weight: 600;
            font-size: 0.875rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245, 158, 11, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.875rem;
            border: 1px solid var(--border-medium);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .footer-link {
            color: var(--text-muted);
            font-size: 0.875rem;
            transition: var(--transition);
            position: relative;
            padding-left: 0;
        }

        .footer-link:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        /* ===== 移动端导航 ===== */
        .mobile-nav {
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 60;
        }

        .mobile-nav.open {
            transform: translateX(0);
        }

        .mobile-nav-link {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent);
        }

        /* ===== 卡片通用 ===== */
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .game-card:hover {
            transform: translateY(-6px);
            border-color: rgba(245, 158, 11, 0.2);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), var(--shadow-glow);
        }

        .game-card .card-img {
            aspect-ratio: 16 / 9;
            object-fit: cover;
            width: 100%;
            transition: var(--transition);
        }

        .game-card:hover .card-img {
            transform: scale(1.03);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.2rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .badge-accent {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent);
            border: 1px solid rgba(245, 158, 11, 0.2);
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.15);
            color: #10b981;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .badge-blue {
            background: rgba(59, 130, 246, 0.15);
            color: #3b82f6;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        .badge-purple {
            background: rgba(139, 92, 246, 0.15);
            color: #8b5cf6;
            border: 1px solid rgba(139, 92, 246, 0.2);
        }

        /* ===== Hero / Banner ===== */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding-top: 6rem;
            padding-bottom: 4rem;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.85) 0%, rgba(15, 15, 26, 0.4) 50%, rgba(15, 15, 26, 0.85) 100%);
            z-index: 1;
        }

        .hero-section .hero-bg {
            position: absolute;
            inset: 0;
            object-fit: cover;
            width: 100%;
            height: 100%;
            z-index: 0;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-glow {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            top: -200px;
            right: -200px;
            z-index: 1;
            pointer-events: none;
        }

        .hero-glow-left {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
            bottom: -200px;
            left: -200px;
            z-index: 1;
            pointer-events: none;
        }

        /* ===== 板块间距 ===== */
        .section-padding {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding-top: 7rem;
                padding-bottom: 7rem;
            }
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            line-height: 1.7;
        }

        /* ===== 网格 ===== */
        .grid-games {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .grid-games {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .grid-games {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .grid-categories {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        @media (min-width: 640px) {
            .grid-categories {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .grid-categories {
                grid-template-columns: repeat(6, 1fr);
            }
        }

        .grid-features {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .grid-features {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .grid-features {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.15);
            box-shadow: var(--shadow-glow);
        }

        .faq-item .faq-question {
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        .faq-item .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 0.85rem;
        }

        .faq-item .faq-answer {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }

        /* ===== 统计数字块 ===== */
        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .stat-item:hover {
            border-color: rgba(245, 158, 11, 0.2);
            transform: translateY(-2px);
        }

        .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-item .stat-label {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-top: 0.25rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.04) 0%, transparent 70%);
            bottom: -80px;
            left: -80px;
            pointer-events: none;
        }

        /* ===== 标签云 ===== */
        .tag-item {
            display: inline-block;
            padding: 0.3rem 1rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .tag-item:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: rgba(245, 158, 11, 0.2);
            color: var(--accent);
        }

        /* ===== 分页 ===== */
        .pagination-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .pagination-item:hover,
        .pagination-item.active {
            background: rgba(245, 158, 11, 0.15);
            border-color: rgba(245, 158, 11, 0.3);
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .hero-section {
                min-height: 60vh;
                padding-top: 5rem;
                padding-bottom: 3rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .section-subtitle {
                font-size: 0.95rem;
            }

            .stat-item .stat-number {
                font-size: 1.6rem;
            }

            .grid-categories {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 50vh;
                padding-top: 4.5rem;
                padding-bottom: 2.5rem;
            }

            .section-padding {
                padding-top: 3.5rem;
                padding-bottom: 3.5rem;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .grid-categories {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }

            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .btn-primary,
            .btn-secondary {
                font-size: 0.8rem;
                padding: 0.5rem 1.25rem;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            animation: fadeInUp 0.6s ease-out forwards;
        }

        .animate-fade-up-delay-1 {
            animation-delay: 0.1s;
        }

        .animate-fade-up-delay-2 {
            animation-delay: 0.2s;
        }

        .animate-fade-up-delay-3 {
            animation-delay: 0.3s;
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-primary);
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        /* ===== 焦点样式 ===== */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 分隔线装饰 ===== */
        .divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.3), transparent);
            width: 100%;
            max-width: 200px;
            margin: 0 auto;
        }

/* roulang page: category2 */
/* ===== 设计变量 & 基础重置 ===== */
        :root {
            --accent: #06b6d4;
            --accent-dark: #0891b2;
            --deep-bg: #0f0f1a;
            --card-bg: #1a1a2e;
            --card-border: #2a2a3e;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--deep-bg);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1280px) {
            .container {
                padding-left: 0;
                padding-right: 0;
            }
        }

        /* ===== 导航 ===== */
        .nav-link {
            position: relative;
            font-weight: 500;
            transition: var(--transition);
            padding: 0.25rem 0;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: #fff !important;
        }
        .nav-link:hover {
            color: #fff !important;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent), #0891b2);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(6, 182, 212, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(6, 182, 212, 0.35);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-weight: 500;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            border-color: rgba(6, 182, 212, 0.3);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            background: #1a1a2e;
        }

        /* ===== 徽章/标签 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(6, 182, 212, 0.12);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            border: 1px solid rgba(6, 182, 212, 0.15);
        }
        .badge-warm {
            background: rgba(251, 146, 60, 0.12);
            color: #fb923c;
            border-color: rgba(251, 146, 60, 0.15);
        }
        .badge-success {
            background: rgba(34, 197, 94, 0.12);
            color: #22c55e;
            border-color: rgba(34, 197, 94, 0.15);
        }
        .badge-purple {
            background: rgba(168, 85, 247, 0.12);
            color: #a855f7;
            border-color: rgba(168, 85, 247, 0.15);
        }

        /* ===== 统计数字 ===== */
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), #a855f7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: 4px;
            margin: 0.75rem 0 1.5rem 0;
        }
        .divider-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(6, 182, 212, 0.2);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-primary);
            gap: 1rem;
        }
        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 1rem;
        }

        /* ===== 页脚链接 ===== */
        .footer-link {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            transition: var(--transition);
            position: relative;
            display: inline-block;
        }
        .footer-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--accent);
        }
        .footer-link:hover::after {
            width: 100%;
        }

        /* ===== 移动端导航 ===== */
        .mobile-nav {
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 60;
        }
        .mobile-nav.open {
            transform: translateX(0);
        }
        .mobile-nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 55;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }
        .mobile-nav-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== hero 覆盖层 ===== */
        .hero-overlay {
            position: relative;
        }
        .hero-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.92) 40%, rgba(15, 15, 26, 0.6) 80%, rgba(15, 15, 26, 0.3));
            z-index: 1;
        }
        .hero-overlay>* {
            position: relative;
            z-index: 2;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .stat-number {
                font-size: 1.75rem;
            }
            .card {
                padding: 1.25rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 0.65rem 1.25rem;
                font-size: 0.9rem;
            }
            .faq-item {
                padding: 1rem 1.25rem;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .container {
                padding-left: 0.75rem;
                padding-right: 0.75rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 0.6rem 1rem;
                font-size: 0.85rem;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #0f0f1a;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a2a3e;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3a3a4e;
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-fade-in-up-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-fade-in-up-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-fade-in-up-delay-3 {
            animation-delay: 0.3s;
        }
        .animate-fade-in-up-delay-4 {
            animation-delay: 0.4s;
        }

        /* ===== 下载卡片特殊样式 ===== */
        .download-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .download-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), #a855f7, var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .download-card:hover::before {
            opacity: 1;
        }
        .download-card:hover {
            border-color: rgba(6, 182, 212, 0.3);
            box-shadow: var(--shadow-glow);
            transform: translateY(-6px);
        }
        .download-card .icon-wrap {
            width: 72px;
            height: 72px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            font-size: 2rem;
            transition: var(--transition);
        }
        .download-card:hover .icon-wrap {
            transform: scale(1.05);
        }

        /* ===== 步骤线 ===== */
        .step-line {
            position: relative;
            padding-left: 3rem;
            padding-bottom: 2.5rem;
        }
        .step-line::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 32px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent), rgba(6, 182, 212, 0.1));
        }
        .step-line:last-child::before {
            display: none;
        }
        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #0891b2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
        }

        /* ===== 版本对比表 ===== */
        .version-table {
            width: 100%;
            border-collapse: collapse;
        }
        .version-table th,
        .version-table td {
            padding: 1rem 1.25rem;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .version-table th {
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            background: rgba(255, 255, 255, 0.02);
        }
        .version-table tr:hover td {
            background: rgba(6, 182, 212, 0.03);
        }
        .version-table .feature-yes {
            color: #22c55e;
        }
        .version-table .feature-no {
            color: #ef4444;
        }

        @media (max-width: 768px) {
            .version-table th,
            .version-table td {
                padding: 0.75rem 0.75rem;
                font-size: 0.85rem;
            }
        }